Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a plataforma se o peso for 131,5g?
 ###Tabelas: CREATE TABLE smartphones (smartphones_id AUTO_INCREMENT PRIMARY KEY, Code name VARCHAR, Market name VARCHAR, Platform VARCHAR, Release date VARCHAR, Android version VARCHAR, System on chip VARCHAR, RAM VARCHAR, ROM VARCHAR, Display VARCHAR, Weight VARCHAR, Battery ( mAh ) INT, Bluetooth VARCHAR, Wi-Fi VARCHAR, NFC VARCHAR, Camera VARCHAR, Network VARCHAR) CREATE TABLE properties (properties_id AUTO_INCREMENT PRIMARY KEY, Lithium VARCHAR, Sodium VARCHAR, Potassium VARCHAR, Rubidium VARCHAR, Caesium VARCHAR) CREATE TABLE historical_list_of_staff_and_faculty (historical_list_of_staff_and_faculty_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, President VARCHAR, Chair of Global Ministries VARCHAR, Chair of Pastoral VARCHAR, Chair of Music VARCHAR, Dean of Students VARCHAR, Dean of Men VARCHAR, Dean of Women VARCHAR, Assistant Dean of Men VARCHAR, Assistant Dean of Women VARCHAR) CREATE TABLE dos_shells (dos_shells_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Release date VARCHAR, Latest version VARCHAR, Status support VARCHAR, Source model VARCHAR, Architecture VARCHAR, Target market VARCHAR) CREATE TABLE financial_data (financial_data_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, 2001 INT, 2002 INT, 2003 INT, 2004 INT, 2005 INT, 2006 INT, 2007 INT, 2008 INT, 2009 INT, 2010 INT, 2011 INT, 2012 INT)  
SELECT Platform FROM smartphones WHERE Weight = 131.5g